I Have a Mansion in the Post-apocalyptic World - Chapter 28 - The Return

One day, a silver-haired goddess appeared before him.“Heaven-Defying Star. The one who goes against fate. The sole savior of a world doomed to end—”What the hell is this woman even talking about?“You must be the Regressor.”“… What?”No, I’m not.

Time travelling from the majestic era after the Recuperation of Reiki, he became Kimura Kazuki, a 16-year-old high school student in Japan, one year before the Reiki Recuperation.

Tentatively, he set out to hone himself to the bone, burning candles at both ends to stockpile resources in preparation for the imminent Recuperation of Reiki. His goal was to be many steps ahead of all humanity when the time comes.

However, it seemed like fate had decided to play a cruel trick on him.

One year later, the Recuperation of Reiki… did not happen as expected.

- Description from Novelupdates

In his first life, he was the legendary hero who achieved the impossible, slaying the Demon King. But his reward wasn't glory, it was betrayal. Feared by the gods who ruled the world, they conspired to strike him down, murdering him without mercy.But Kai's soul managed to reincarnate in a modern and ordinary Japan. However, after a tragic accident on Earth, Kai returns to the world where he was once killed.Lyla, the tenth goddess and the only one who didn't betray him, never stopped watching him, she has waited for this moment for centuries. Her love is as vast as the universe... and just as dangerous. To protect her favorite, she has sacrificed her power to grant him a tool never seen before, The System.Now, Kai with no memory of his first life and Lyla must navigate a world fractured into nineteen kingdoms, dominated by the religions of the other nine corrupt gods who feast on the faith of the masses. With an obsessive goddess by his side and a power that grows constantly, Kai begins his grand revenge.